SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for selfnet.de

Valid
Issued by (CA)
Let's Encrypt
Subject
www.selfnet.de
Valid from
May 26, 2026
Valid until
Aug 24, 2026 (34 days remaining)
Public key
RSA 2048-bit
Serial
05FE3DB265E0276CC0B359747DA6A7329F68
SHA-256 fingerprint
34:0B:91:6D:B9:C8:7F:97:77:09:7E:B2:D3:59:8C:EE:FE:4F:14:CB:FE:5C:53:F9:D6:31:90:6C:A9:E8:6C:11
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
selfnet.de, www.selfnet.de

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).